Pterigynandrum filiforme
PNW
AK
BC
ID
MT
OR
WA
498 specimens from 13 herbaria:
Alaska (40)
British Columbia (136)
Idaho (139)
Montana (66)
Oregon (40)
Washington (75)
7 images from 4 herbaria:
SRP (3)
SRP-B (2)
UAAH (1)
WTU (1)